To cite package ‘altfuelr’ in publications use:

Burch C (2020). altfuelr: Provides an Interface to the NREL Alternate Fuels Locator. R package version 0.1.0, https://github.com/burch-cm/altfuelr.

Corresponding BibTeX entry:

  @Manual{,
    title = {altfuelr: Provides an Interface to the NREL Alternate
      Fuels Locator},
    author = {Christopher Burch},
    year = {2020},
    note = {R package version 0.1.0},
    url = {https://github.com/burch-cm/altfuelr},
  }